The algae mats floating in a stretch of California's Bear River look pretty disgusting. The "didymo" -- short for its scientific name, Didymosphenia geminata -- looks something like shredded toilet paper. It also resembles another of its nicknames: "rock snot." Its behavior has changed in recent years, and it is spreading. It appears in trout streams and threatens trout. New Zealand has banned felt-soled wading boots (often used by fly fishers), which can spread it.

"Despite vigorous opposition from industry, it appears [Wyoming] state regulators and the general public will have broad access to documents detailing chemicals used in oil and gas drilling, hydraulic fracturing and other drilling operations."

Bedbugs, after almost vanishing from the U.S. for decades, have come back bigtime as The Bug That Ate New York. EPA and CDC have offered some advice on getting rid of them. But scientists know very little about them.

As Vietnam veterans age, there has been an explosion of claims for disabilities related to Agent Orange. It could cost the taxpayers $42 billion over the next 10 years, and it raises questions about the government's failure to address Agent Orange risks before using it.

"With prayers and the solemn tolling of bells, but also with second-line parades and the drumming of Mardi Gras Indians, New Orleanians throughout the region on Sunday took stock of their rebuilt lives in the five years since the worst event in the region's history, and promised each other to keep the recovery going."

"No more sunny side up. No more eggs Benedict. No more almost-set scrambled eggs. After of one of the largest egg recalls on record, critics say the egg industry is resorting to the worst tactic of all: blaming the victim."

"The U.S. National Hurricane Center was monitoring three tropical systems in the Atlantic Ocean on Friday, and computer models still showed all three steering clear of key oil and gas producing areas in the Gulf of Mexico."

"On Thursday, some of the country's most respected environmental groups -- in the midst of their biggest political fight in two decades -- sent a group of activists to Milwaukee with a message. We're losing."

"In a remote reach of the Gulf of Mexico, nearly 200 miles from shore, a floating oil platform thrusts its tentacles deep into the ocean like a giant steel octopus. ... Even as regulators investigate the causes of the Deepwater Horizon disaster, the broader dangers posed by the industry’s push into deeper waters have gone largely unscrutinized."

In the debate over how to meet the nation's 'clean energy' goals, the nuclear industry seems to be winning.